European Surveillance of Antimicrobial Consumption (ESAC): quality indicators for outpatient antibiotic use in Europe
S. Coenen, M. Ferech, F. M Haaijer-Ruskamp, C. C Butler, R. H Vander Stichele, T. J M Verheij, D. L Monnet, P. Little, H. Goossens, and the ESAC Project Group